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Doubles in session


Current system
17564+2846
GRV 971


Nearby doubles
22' : 17549+2852
CBL 163

36' : 17577+2815
HO 424

44' : 17567+2929
D 17

50' : 17575+2759
HO 423

58' : 17559+2943
AZC 102

58' : 17578+2751
ALL 2

59' : 17594+2929
STF2247AB

66' : 17520+2917
AZC 101

68' : 17524+2805
KPP2487

70' : 17518+2814
STF2239

70' : 17541+2949
AC 9

72' : 17529+2941
AC 8

74' : 18006+2934
LDS6413

85' : 17590+3003
STF2259

86' : 17582+2724
HO 425

90' : 17585+3011
HDS2534

91' : 17541+2721
BVD 125

91' : 17512+2946
BRT 31

92' : 18025+2931
NSN 701

92' : 17564+3018
KPP2118

93' : 18026+2931
LDS4771

96' : 17549+2713
TDT 568AB

96' : 18032+2813
AZC 103

104' : 18006+3014
J 1127

105' : 17488+2918
TDS 884AB

107' : 18033+2751
ES 470



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17564+2846 GRV 971

 
 
17h 56m 24.56s +28° 46' 09.6" P.A. 237.00 sep 73.0 mag 11.48,12.52
 
 
Coord 2000 17564+2846 Discov num GRV 971 Comp Coord arcsec 2000 17 56 24.56 +28 46 09.6
Date first 1901 Date last 2016 Obs 13
Pa first 238 Pa last 236.8 P.A. Now (θ) 236.8°
Sep first 72.6 Sep last 73.046 Sep. Now (ρ) 73.046"
Mag pri 11.48 Mag sec 12.52 delta mag (ΔM) 1.04 Spectral class
Pri motion ra -021 Sec motion ra -020
Pri motion dec +027 Sec motion dec +027
Notes T (Parallax indicates physical)
rPM=0.029 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2102-01242-1 Gaia DR2 4584470739116877056
 
 
WDS 17564+2846 GRV 971 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Grv2004 Eu - Greaves, J. 2004MNRAS.355..585G
Grv2004 MNRAS 355, 585, 2004
Grv2005a Es - Greaves, J. ...................
Grv2005a +C Webb Soc., Double Star Circ. 13, 2005 (GRV 973 - 1147)
Grv2005a (Note: RA for all WDS designations inadvertently truncated to integer minute)
Grv2005b Pa - Greaves, J. ...................
Grv2005b private communication
Grv2005c C - Greaves, J. 2005JDSO....1...41G
Grv2005c JDSO 1, 41, 2005
Grv2006 - Greaves, J. ...................
Grv2006 private communication, 2006
Grv2006 (measures done using LSPM-north, see Vizier On-line Data Catalog I/298;
Grv2006 Lepine & Shara 2005)
Grv2006b Es - Greaves, J. ...................
Grv2006b private Communication, 2006
Grv2006b (Reduction of SDSS data. Calculated position is to J2000, but actual observation
Grv2006b epoch is unknown and proper motion may or may not have been applied.)
Grv2006c Ey - Greaves, J. ...................
Grv2006c private Communication, 2006
Grv2006c (Reduction of SPM3.3 data. Calculated position is to 1991.25, but actual
Grv2006c observation epoch is unknown and proper motion may or may not have been applied.)
Grv2008 Es - Greaves, J. ...................
Grv2008 Webb Soc., Double Star Circ. 16, 2008
Grv2011 C - Greaves, J. ...................
Grv2011 Webb Soc., Double Star Circ. 19, 2011
Grv2011 These carry a discovery designation of SPM and come from the SPM4 Catalog 2011AJ....142...15G
Grv2019a Hg u Greaves, J. 2019JDSO...15...59G
Grv2019a JDSO 15, 59, 2019
Grv2019b Hg u Greaves, J. 2019JDSO...15...77G
Grv2019b JDSO 15, 59, 2019
Grv2019c Hg u Greaves, J. ...................
Grv2019c private communication, 2019 (17 April 2019 email)
Grv2019d Hg - Greaves, J. .
Grv2019d private communication, 2019 (4 Nov 2019 email)
Grv2020a not - Greaves, J. .
Grv2020a private communication, 2020 (14 Mar 2020 email)
Grv2020b Hg j Greaves, J. .
Grv2020b Webb Soc., Double Star Circ. 28, 23, 2020
Grv2020c Hg j Greaves, J. .
Grv2020c Webb Soc., Double Star Circ. 28, 35, 2020
Grv2020d Hg j Greaves, J. .
Grv2020d Webb Soc., Double Star Circ. 28, 39, 2020
Grv2020e Hg u Greaves, J. 2020JDSO...16..317G
Grv2020e JDSO 16, 317, 2020
Grv2020f Hg Greaves, J. 2020JDSO...16..362G
Grv2020f JDSO 16, 362, 2020
Grv2020g Hg - Greaves, J. .
Grv2020g private communication, 2020 (29 Nov 2020 email)
Grv2020h Hg - Greaves, J. .
Grv2020h private communication, 2020 (10 Dec 2020 email)
Grv2020i Hg - Greaves, J. .
Grv2020i private communication, 2020 (12 Dec 2020 email)
Grv2020j Hg - Greaves, J. .
Grv2020j private communication, 2020 (21 Dec 2020 email)
Grv2021a not - Greaves, J. .
Grv2021a private communication, 2021 (18 Feb 2021 email)
Grv2021b not - Greaves, J. .
Grv2021b private communication, 2021 (23 Feb 2021 email)
Grv2021c Hg+ - Greaves, J., Rica Romero, F.M. & Otero, S. 2021JDSO...17..137G
Grv2021c +orb JDSO 17, 137, 2021
Grv2021d Hg - Greaves, J. .
Grv2021d private communication, 2021 (23 Aug 2021 email)
Grv2021e Hg - Greaves, J. .
Grv2021e private communication, 2021 (24 Aug 2021 email)
Grv2022 Hg j Greaves, J. .
Grv2022 Webb Soc., Double Star Circ. 30, 27, 2022
Grv2023a Hg - Greaves, J. .
Grv2023a private communication, 2023 (15 Feb 2023 email)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17564+2846 GRV 971 2000 5 237 73.0 11.48 12.52 D 175624.56+284609.6
17564+2846 GRV 971 2002 6 237 73.0 11.48 12.52 D 175624.56+284609.6
17564+2846 GRV 971 2010 6 237 73.1 11.48 12.52 175624.56+284609.6
17564+2846 GRV 971 2015 7 237 73.0 11.48 12.52 W 175624.56+284609.6
17564+2846 GRV 971 2016 13 237 73.0 11.48 12.52 T 175624.56+284609.6

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 17564+2846 GRV 971 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17564+2846 GRV 971 : MEASURES
 
 
No records found.

 
 
WDS 17564+2846 : VIRTUAL EYEPIECE
 
 

17564+2846 GRV 971A mag 11.48 17564+2846 GRV 971B sep 66.9 P.A. 233.30 mag 12.52 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17564+2846 : ALADIN DSS IMAGE @ 17h 56m 24.56s +28° 46' 09.6"
 
 
 
 
WDS 17564+2846 GRV 971 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17564+2846 GRV 971 distance=0' 17549+2852 CBL 163 distance=22' 17577+2815 HO 424 distance=36' 17567+2929 D 17 distance=44' 17575+2759 HO 423 distance=50' 17559+2943 AZC 102 distance=58' 17578+2751 ALL 2 distance=58' 17594+2929 COU1003Aa,Ab distance=59' 17594+2929 STF2247AB distance=59' 17594+2929 WAL 88AC distance=59' 17520+2917 AZC 101 distance=66' 17524+2805 KPP2487 distance=68' 17518+2814 STF2239 distance=70' 17541+2949 AC 9 distance=70' 17529+2941 AC 8 distance=72' 18006+2934 LDS6413 distance=74' 17590+3003 STF2259 distance=85' 17582+2724 HO 425 distance=86' 17585+3011 HDS2534 distance=90' 17541+2721 BVD 125 distance=91' 17512+2946 BRT 31 distance=91' 18025+2931 NSN 701 distance=92' 17564+3018 KPP2118 distance=92' 18026+2931 LDS4771 distance=93' 17549+2713 TDT 568AB distance=96' 17549+2713 TDT 568AC distance=96' 18032+2813 AZC 103 distance=96' 17564+3028 KPP4069AC distance=102' 18006+3014 J 1127 distance=104' 17488+2918 TDS 884AB distance=105' 17488+2918 SCA 204AB,C distance=105' 17488+2918 SCA 204AB,D distance=105' 18033+2751 ES 470 distance=107' 17525+2712 HJ 1307 distance=108' 17510+3010 COU 636 distance=111' 17525+2707 UC 3434 distance=112' 17484+2942 BRT 30 distance=118' 17566+3045 COU 999 distance=119' 17517+2700 GRV 968 distance=123' 17511+2704 YSC 240 distance=124' 18047+2750 SLE 109 distance=124' 17484+2738 TDT 515 distance=127' 17470+2915 TDS 881AB distance=127' 17470+2915 TDS 881Aa,Ab distance=127' 17508+2701 CBL 72 distance=129' 17477+2748 RAO 379BC distance=129' 17477+2748 GIC 149AB distance=130' 18063+2843 HJ 1313 distance=131' 17502+2704 TDT 526 distance=132' 18059+2759 KPP3327 distance=134' 18009+2646 TDT 635 distance=135' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 17564+2846 GRV 971 237 73.0
Show 17549+2852 CBL 163 244 41.5 22
Show 17577+2815 HO 424 204 1.4 36
Show 17567+2929 D 17 130 23.9 44
Show 17575+2759 HO 423 293 4.7 50
Show 17559+2943 AZC 102 35 21.3 58
Show 17578+2751 ALL 2 206 18.9 58
Show 17594+2929 COU1003 Aa,Ab 359 0.1 59
Show 17594+2929 STF2247 AB 188 11.6 59
Show 17594+2929 WAL 88 AC 230 56.1 59
Show 17520+2917 AZC 101 270 22.6 66
Show 17524+2805 KPP2487 23 22.3 68
Show 17518+2814 STF2239 319 2.4 70
Show 17541+2949 AC 9 242 1.0 70
Show 17529+2941 AC 8 304 0.1 72
Show 18006+2934 LDS6413 105 88.1 74
Show 17590+3003 STF2259 277 19.6 85
Show 17582+2724 HO 425 144 5.5 86
Show 17585+3011 HDS2534 355 0.5 90
Show 17541+2721 BVD 125 32 48.3 91
Show 17512+2946 BRT 31 147 7.6 91
Show 18025+2931 NSN 701 266 16.5 92
Show 17564+3018 KPP2118 349 17.2 92
Show 18026+2931 LDS4771 251 16.6 93
Show 17549+2713 TDT 568 AB 2 0.5 96
Show 17549+2713 TDT 568 AC 90 1.8 96
Show 18032+2813 AZC 103 146 14.1 96
Show 17564+3028 KPP4069 AC 76 2.5 102
Show 18006+3014 J 1127 341 2.9 104
Show 17488+2918 TDS 884 AB 126 1.2 105
Show 17488+2918 SCA 204 AB,C 92 1.6 105
Show 17488+2918 SCA 204 AB,D 47 0.9 105
Show 18033+2751 ES 470 208 8.3 107
Show 17525+2712 HJ 1307 321 37.3 108
Show 17510+3010 COU 636 269 1.5 111
Show 17525+2707 UC 3434 30.3 112
Show 17484+2942 BRT 30 227 4.3 118
Show 17566+3045 COU 999 311 1.4 119
Show 17517+2700 GRV 968 304 26.0 123
Show 17511+2704 YSC 240 153 0.4 124
Show 18047+2750 SLE 109 79 9.7 124
Show 17484+2738 TDT 515 282 0.5 127
Show 17470+2915 TDS 881 AB 242 1.0 127
Show 17470+2915 TDS 881 Aa,Ab 138 0.2 127
Show 17508+2701 CBL 72 173 12.6 129
Show 17477+2748 RAO 379 BC 152 3.9 129
Show 17477+2748 GIC 149 AB 116 75.8 130
Show 18063+2843 HJ 1313 297 13.7 131
Show 17502+2704 TDT 526 146 0.8 132
Show 18059+2759 KPP3327 166 2.9 134
Show 18009+2646 TDT 635 229 0.6 135

 
 
WDS 17564+2846 : COMPONENTS
 
 
  A
B pa=233.3°
sep=66.86"
 
 
17564+2846 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 175624.56+284609.6 Mag 11.48 PmRA -21.00
PmDE 27.0 Tycho2 2102-01242-1
Tycho2
Tycho2 2102-01242-1 Pflag RAmdeg 269.10231456 DEmdeg 28.76934597
PmRA -19.1 PmDE 28.5 E RAmdeg 57 E DEmdeg 51
E pmRA 2.5 E pmDE 2.5 EpRAm 1985.44 EpDEm 1986.45
Num 3 Q RAmdeg 1.1 Q DEmdeg 2.6 Q pmRA 1.1
Q pmDE 2.6 BTmag 12.242 E BTmag 0.126 VTmag 11.484
E VTmag 0.088 Prox 729 TYC HIP
CCDM RAdeg 269.10236556 DEdeg 28.76928000 EpRA 1990 1.62
EpDE 1990 1.70 E RAdeg 59.4 E DEdeg 52.6 Posflg
Corr -0.1
 
 
17564+2846 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175620.49+284529.6 Mag 12.52 PmRA -20.00
PmDE 27.0 Tycho2 2102-02374-1 Calc delta mag 1.04 Calc coord yes
Tycho2
Tycho2 2102-02374-1 Pflag RAmdeg 269.08295398 DEmdeg 28.75826753
PmRA -23.5 PmDE 30.1 E RAmdeg 102 E DEmdeg 88
E pmRA 3.0 E pmDE 2.8 EpRAm 1975.11 EpDEm 1978.65
Num 3 Q RAmdeg 0.0 Q DEmdeg 0.1 Q pmRA 0.0
Q pmDE 0.1 BTmag 13.215 E BTmag 0.278 VTmag 12.518
E VTmag 0.192 Prox 729 TYC HIP
CCDM RAdeg 269.08301667 DEdeg 28.75819833 EpRA 1990 1.59
EpDE 1990 1.72 E RAdeg 112.5 E DEdeg 94.7 Posflg
Corr -0.1